// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.

package puller

import (
	"context"

	"github.com/pingcap/ticdc/cdc/model"
)

// EventSorter accepts unsorted PolymorphicEvents, sort them in background and returns
// sorted PolymorphicEvents in Output channel
type EventSorter interface {
	Run(ctx context.Context) error
	AddEntry(ctx context.Context, entry *model.PolymorphicEvent)
	Output() <-chan *model.PolymorphicEvent
}
